> #include <vector>
> #include <iostream>
> #include <iterator>
> using namespace std;
> class Calculator
> {
> public:
> 	int x;
> 	int y;
> 	void get()
> 	{
> 		istream_iterator<int>input(cin);
> 		x=*input;
> 		input++;
> 		y=*input;
> 	}
> 	void out()
> 	{
> 		cout<<sum()<<endl;
> 	}
> private:
> 	int sum()
> 	{
> 		return x+y;
> 	}
> };
> Calculator c;
> main()
> {
> 	c.get();
> 	c.out();
> 	return 0;
> }